Yes, anyone can buy and any amount. Basically, there is a special discount for the first 50,000 if you want to buy at a time. You can order them directly. The first 50 million will be sold at $.10 each, then next 50 million will be at $.20 and the next 50 million will be at $.30. There are total 400 million tokens will be sold during this ICO project. So the soon you'll invest for the ICO project the more tokens you will receive for your contribution.

You might get brief details: http://www.atlantisblue.org/how-it-works.php

And how to buy this digital token? Please see the below video for instructions on how to acquire Atlantis Blue Digital Tokens on the SDEX: http://www.atlantisblue.org/buy-tokens.php